<template>
  <div class="upload-container">
    <!-- <el-button
      :style="{background:color,borderColor:color}"
      icon="el-icon-upload"
      size="mini"
      type="primary"
      @click="dialogVisible=true"
    >上传图片</el-button>-->
    <el-dialog :visible.sync="dialogVisible">
      <el-upload
        :multiple="true"
        :file-list="fileList"
        :show-file-list="true"
        :on-remove="handleRemove"
        :on-success="handleSuccess"
        :before-upload="beforeUpload"
        class="editor-slide-upload"
        :action="actionUpload"
        list-type="picture-card"
        :data="imageData"
      >
        <el-button size="small" type="primary">点击上传</el-button>
      </el-upload>
      <el-button @click="dialogVisible = false">取消</el-button>
      <el-button type="primary" @click="handleSubmit">确定</el-button>
    </el-dialog>
  </div>
</template>

<script>
// import { getToken } from 'api/qiniu'
// import { getOss } from '@/api/base'

export default {
  name: 'EditorSlideUpload',
  props: {
    color: {
      type: String,
      default: '#1890ff'
    }
  },
  data() {
    return {
      dialogVisible: false,
      listObj: {},
      fileList: [],
      actionUpload: '',
      imageData: {}
    }
  },
  created() {},
  methods: {
    checkAllSuccess() {
      return Object.keys(this.listObj).every(item => this.listObj[item].hasSuccess)
    },
    handleSubmit() {
      const arr = Object.keys(this.listObj).map(v => this.listObj[v])
      if (!this.checkAllSuccess()) {
        this.$message('请等待所有图片上传成功。如果有网络问题，请刷新页面重新上传!')
        return
      }
      this.$emit('successCBK', arr)
      this.listObj = {}
      this.fileList = []
      this.dialogVisible = false
    },
    handleSuccess(response, file) {
      const uid = file.uid
      const objKeyArr = Object.keys(this.listObj)
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          this.listObj[objKeyArr[i]].hasSuccess = true
          return
        }
      }
    },
    handleRemove(file) {
      const uid = file.uid
      const objKeyArr = Object.keys(this.listObj)
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          delete this.listObj[objKeyArr[i]]
          return
        }
      }
    },
    beforeUpload(option) {
      //   const _self = this
      //   const _URL = window.URL || window.webkitURL
      // return new Promise((resolve, reject) => {
      //   const img = new Image()
      //   img.src = _URL.createObjectURL(file)
      //   img.onload = function() {
      //     _self.listObj[fileName] = { hasSuccess: false, uid: file.uid, width: this.width, height: this.height }
      //   }
      //   resolve(true)
      // })
      return new Promise((resolve, reject) => {
        const isJPG = option.type === 'image/jpeg' || option.type === 'image/png'
        const isLt2M = option.size / 1024 / 1024 < 20
        if (!isJPG) {
          this.$message.error('上传图片只能是JPG、JPEG、PNG 格式!')
        }
        if (!isLt2M) {
          this.$message.error('上传图片大小不能超过 20MB!')
        }
        if (isJPG && isLt2M) {
          // console.log(option)
          // 获取OSS配置信息
          //   getOss()
          //     .then(res => {
          //       // console.log(res)
          //       const ossData = res
          //       // const file = option
          //       const point = option.name.lastIndexOf('.')
          //       const suffix = option.name.substr(point)
          //       const fileName = option.name.substr(0, point)
          //       const date = Date.parse(new Date())
          //       const fileNames = `${fileName}_${date}${suffix}`
          //       this.actionUpload = ossData.host
          //       const client = {
          //         name: fileNames,
          //         key: ossData.dir + fileNames,
          //         policy: ossData.policy,
          //         OSSAccessKeyId: ossData.accessid,
          //         success_action_status: 200,
          //         // callback: ossData.callback,
          //         signature: ossData.signature
          //       }
          //       this.imageData = client
          //       this.listObj[fileName] = {}
          //       const img = new Image()
          //       img.src = _URL.createObjectURL(option)
          //       img.onload = function () {
          //         _self.listObj[fileName] = {
          //           hasSuccess: false,
          //           uid: option.uid,
          //           width: this.width,
          //           height: this.height,
          //           url: `${ossData.host}/${ossData.dir}${fileNames}`
          //         }
          //       }
          resolve(true)
          //     })
          //     .catch(() => {
          //       reject(false)
          //     })
        } else {
          reject(false)
        }
      })
    }
  }
}
</script>

<style lang="less" scoped>
.editor-slide-upload {
  margin-bottom: 20px;
  ::v-deep .el-upload--picture-card {
    width: 100%;
  }
}
</style>
